knobbliest
Having most protrusions
Knobbliest is the superlative of knobbly, meaning having the most knobs or lumps—the bumpiest or most uneven of a group: the knobbliest potatoes in the bin, His were the knobbliest knees I'd ever seen.
Knobbly is more common in British English; Americans tend toward knobby.
terrain
Covered with stones
- craggyRough with rocky projections
- ruggedTough and uneven
- unevenNot smooth or balanced
- jaggedSharply uneven, notched
cratered · pitted · rutted · hummocky · rough-hewn · stony · irregular · bumpy
rocky
Covered with stones
jagged · cratered · pitted · rutted · hummocky · rough-hewn · stony · irregular · bumpy · treacherous
twisted
Wound around itself
contorted · wizened · crooked · knurled · arthritic · weathered · ancient · distorted · misshapen · warped
bumpy
Uneven in surface
ridged · rough · coarse · tactile · nodular · protuberant · nubby · bossed · studded · dimpled